doc: Rename UbuntuMono-Square to CoqNotations and tweak spacing

The Ubuntu Font License requires substantially modified fonts to be renamed
entirely.

7 files changed, 19 insertions, 18 deletions

diff --git a/doc/LICENSE b/doc/LICENSE
index 7ae31b089..c223a4e16 100644
--- a/doc/LICENSE
+++ b/doc/LICENSE
@@ -2,15 +2,17 @@ The Coq Reference Manual is a collective work from the Coq Development
 Team whose members are listed in the file CREDITS of the Coq source
 package. All related documents (the LaTeX and BibTeX sources, the
 embedded png files, and the PostScript, PDF and html outputs) are
-copyright (c) INRIA 1999-2006, with the exception of the Ubuntu font files
-(UbuntuMono-Square.ttf and UbuntuMono-B.ttf), derived from UbuntuMono-Regular,
-which is Copyright 2010,2011 Canonical Ltd and licensed under the Ubuntu font
+copyright (c) INRIA 1999-2006, with the exception of the Ubuntu font
+file UbuntuMono-B.ttf, which is
+Copyright 2010,2011 Canonical Ltd and licensed under the Ubuntu font
 license, version 1.0
-(https://www.ubuntu.com/legal/terms-and-policies/font-licence). The material
-connected to the Reference Manual may be distributed only subject to the terms
-and conditions set forth in the Open Publication License, v1.0 or later (the
-latest version is presently available at http://www.opencontent.org/openpub/).
-Options A and B are *not* elected.
+(https://www.ubuntu.com/legal/terms-and-policies/font-licence), and its
+derivative CoqNotations.ttf distributed under the same license. The
+material connected to the Reference Manual may be distributed only
+subject to the terms and conditions set forth in the Open Publication
+License, v1.0 or later (the latest version is presently available at
+http://www.opencontent.org/openpub/).  Options A and B are *not*
+elected.
 
 The Coq Tutorial is a work by Gérard Huet, Gilles Kahn and Christine
 Paulin-Mohring. All documents (the LaTeX source and the PostScript,
diff --git a/doc/sphinx/_static/CoqNotations.ttf b/doc/sphinx/_static/CoqNotations.ttf
new file mode 100644
index 000000000..da8f2850d
--- /dev/null
+++ b/doc/sphinx/_static/CoqNotations.ttf
diff --git a/doc/sphinx/_static/UbuntuMono-Square.ttf b/doc/sphinx/_static/UbuntuMono-Square.ttf
deleted file mode 100644
index 12b7c6d51..000000000
--- a/doc/sphinx/_static/UbuntuMono-Square.ttf
+++ /dev/null
diff --git a/doc/sphinx/_static/notations.css b/doc/sphinx/_static/notations.css
index 9b7b826d5..f899945a3 100644
--- a/doc/sphinx/_static/notations.css
+++ b/doc/sphinx/_static/notations.css
@@ -22,10 +22,10 @@
 }
 
 @font-face { /* This font has been edited to center all characters */
-  font-family: 'UbuntuMono-Square';
+  font-family: 'CoqNotations';
   font-style: normal;
   font-weight: 800;
-  src: local('UbuntuMono-Square'), url(./UbuntuMono-Square.ttf) format('truetype');
+  src: local('CoqNotations'), url(./CoqNotations.ttf) format('truetype');
 }
 
 .notation .notation-sup, .notation .notation-sub {
@@ -34,15 +34,15 @@
     color: black;
     /* cursor: help; */
     display: inline-block;
-    font-size: 0.5em;
+    font-size: 0.45em;
     font-weight: bolder;
-    font-family: UbuntuMono-Square, monospace;
-    height: 2em;
+    font-family: CoqNotations, monospace;
+    height: 2.2em;
     line-height: 1.6em;
     position: absolute;
     right: -1em; /* half of the width */
     text-align: center;
-    width: 2em;
+    width: 2.2em;
 }
 
 .notation .repeat {
diff --git a/doc/tools/coqrst/notations/CoqNotations.ttf b/doc/tools/coqrst/notations/CoqNotations.ttf
new file mode 100644
index 000000000..da8f2850d
--- /dev/null
+++ b/doc/tools/coqrst/notations/CoqNotations.ttf
diff --git a/doc/tools/coqrst/notations/UbuntuMono-Square.ttf b/doc/tools/coqrst/notations/UbuntuMono-Square.ttf
deleted file mode 100644
index a53a9a0f0..000000000
--- a/doc/tools/coqrst/notations/UbuntuMono-Square.ttf
+++ /dev/null
diff --git a/doc/tools/coqrst/notations/fontsupport.py b/doc/tools/coqrst/notations/fontsupport.py
index 3402ea2aa..a3efd97f5 100755
--- a/doc/tools/coqrst/notations/fontsupport.py
+++ b/doc/tools/coqrst/notations/fontsupport.py
@@ -63,8 +63,7 @@ def trim_font(fnt):
 def center_glyphs(src_font_path, dst_font_path, dst_name):
     fnt = trim_font(fontforge.open(src_font_path))
 
-    size = max(max(g.width for g in fnt.glyphs()),
-               max(glyph_height(g) for g in fnt.glyphs()))
+    size = max(g.width for g in fnt.glyphs())
     fnt.ascent, fnt.descent = size, 0
     for glyph in fnt.glyphs():
         scale_single_glyph(glyph, size, size)
@@ -77,5 +76,5 @@ if __name__ == '__main__':
     from os.path import dirname, join, abspath
     curdir = dirname(abspath(__file__))
     ubuntumono_path = join(curdir, "UbuntuMono-B.ttf")
-    ubuntumono_mod_path = join(curdir, "UbuntuMono-Square.ttf")
-    center_glyphs(ubuntumono_path, ubuntumono_mod_path, "UbuntuMono-Square")
+    ubuntumono_mod_path = join(curdir, "CoqNotations.ttf")
+    center_glyphs(ubuntumono_path, ubuntumono_mod_path, "CoqNotations")